backplane is the shared capacity between interfaces on a switch switch fabric is also the shared capacity between interfaces on a switch and can also be the shared capacity between interfaces on multiple switches using some sort of interconnect, typically vendor specific.
Eelgrass once grew in abundance in Barnegat Bay, New Jersey, where it was harvested, dried and used for insulation in houses, such as the governor's summer mansion in Island Beach State Park. A blight decimated the eelgrass, which ended harvesting of the plant. The plant is making a gradual comeback.
Like all underwater grasses, eelgrass provides an important nursery for many creatures of the Bay. Very young crabs, and fish, as well as seahorses, sea squirts and other creatures, hide out in Bay grass meadows, well-fed and protected from their predators.